make a guess
take a guess

Take a guess what she had to say about them.

After a wrong answer the other team can take a guess.

You don't have to take a guess on what you're buying.

I'm not sure yet what he thinks we're up to, but I may be able to take a good guess.

Based on the following pictures, take a guess as to how it went.

"Want to take a guess who was once a Free?"

You can only take an educated guess on certain things.

I took a wild guess as to who she might be.

"I would take a wild guess and say our business has increased 500 percent over the past few years," he said.

The second time I took a guess that the first was a regular meeting.